<template>
  <div class="app-container">
    <el-form :model="queryParams" ref="queryForm" size="small" :inline="true" v-show="showSearch" label-width="68px">

      <el-form-item label="任务标题" prop="title">
        <el-input
          v-model="queryParams.title"
          placeholder="请输入任务标题"
          clearable
          @keyup.enter.native="handleQuery"
        />
      </el-form-item>


      <el-form-item label="发布人">
        <el-select v-model="queryParams.teacherId" value-key="id" clearable placeholder="发布人"
                   @keyup.enter.native="handleQuery">
          <el-option
            v-for="item in teachers"
            :label="item.name"
            :value="item.id">
            <span style="float: left">{{ item.name }}</span>
          </el-option>
        </el-select>
      </el-form-item>


      <el-form-item label="领取数量" prop="getCount">
        <el-input
          v-model="queryParams.getCount"
          placeholder="请输入领取数量"
          clearable
          @keyup.enter.native="handleQuery"
        />
      </el-form-item>

      <el-form-item>
        <el-button type="primary" icon="el-icon-search" size="mini" @click="handleQuery">搜索</el-button>
        <el-button icon="el-icon-refresh" size="mini" @click="resetQuery">重置</el-button>
      </el-form-item>
    </el-form>

    <el-row :gutter="10" class="mb8">
      <el-col :span="1.5">
        <el-button
          type="primary"
          plain
          icon="el-icon-plus"
          size="mini"
          @click="handleAdd"
          v-hasPermi="['task:task:add']"
        >新增
        </el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="success"
          plain
          icon="el-icon-edit"
          size="mini"
          :disabled="single"
          @click="handleUpdate"
          v-hasPermi="['task:task:edit']"
        >修改
        </el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="danger"
          plain
          icon="el-icon-delete"
          size="mini"
          :disabled="multiple"
          @click="handleDelete"
          v-hasPermi="['task:task:remove']"
        >删除
        </el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="warning"
          plain
          icon="el-icon-download"
          size="mini"
          @click="handleExport"
          v-hasPermi="['task:task:export']"
        >导出
        </el-button>
      </el-col>
      <right-toolbar :showSearch.sync="showSearch" @queryTable="getList"></right-toolbar>
    </el-row>

    <el-table v-loading="loading" :data="taskList" @selection-change="handleSelectionChange">
      <el-table-column type="selection" width="55" align="center"/>
      <el-table-column label="教师任务id" align="center" prop="id"/>
      <el-table-column label="任务标题" align="center" prop="title"/>
      <el-table-column label="任务说明内容" align="center" prop="content"/>

      <!--      <el-table-column label="任务状态" align="center" prop="state" />-->

      <el-table-column prop="state" label="任务状态" width="100" sortable>
        <template scope="scope">
          <span v-if="scope.row.state == 0" style="color: red">不可领取</span>
          <span v-else-if="scope.row.state == 1" style="color: green">可领取</span>
        </template>
      </el-table-column>

      <el-table-column prop="disposableTask" label="单次任务" width="100" sortable>
        <template scope="scope">
          <span v-if="scope.row.disposableTask == 0" style="color: pink">否</span>
          <span v-else-if="scope.row.disposableTask == 1" style="color: green">是</span>
        </template>
      </el-table-column>

      <el-table-column label="领取数量" align="center" prop="getCount"/>
      <el-table-column label="操作" align="center" class-name="small-padding fixed-width">
        <template slot-scope="scope">


          <el-button
            v-if="scope.row.state===1"
            v-show="display"
            size="mini"
            type="success"
            icon="el-icon-cherry"
            @click="handleGetTask(scope.row)"

          >领取任务
          </el-button>

          <el-button
            size="mini"
            type="text"
            icon="el-icon-edit"
            @click="handleUpdate(scope.row)"
            v-hasPermi="['task:task:edit']"
          >修改
          </el-button>

          <el-button
            size="mini"
            type="text"
            icon="el-icon-delete"
            @click="handleDelete(scope.row)"
            v-hasPermi="['task:task:remove']"
          >删除
          </el-button>
        </template>
      </el-table-column>
    </el-table>

    <pagination
      v-show="total>0"
      :total="total"
      :page.sync="queryParams.pageNum"
      :limit.sync="queryParams.pageSize"
      @pagination="getList"
    />

    <!-- 添加或修改领取任务 对话框 -->
    <el-dialog :title="title" :visible.sync="open" width="500px" append-to-body>
      <el-form ref="form" :model="form" :rules="rules" label-width="80px">
        <el-form-item label="任务标题" prop="title">
          <el-input v-model="form.title" placeholder="请输入任务标题"/>
        </el-form-item>
        <el-form-item label="任务标题" prop="title">
          <el-input
            type="textarea"
            :rows="2"
            placeholder="请输入内容"
            v-model="form.content">
          </el-input>
        </el-form-item>

        <el-form-item label="单次任务">
          <el-radio-group v-model="form.disposableTask">
            <el-radio class="radio" :label="1">是</el-radio>
            <el-radio class="radio" :label="0">否</el-radio>
          </el-radio-group>
        </el-form-item>

      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button type="primary" @click="submitForm">确 定</el-button>
        <el-button @click="cancel">取 消</el-button>
      </div>
    </el-dialog>

    <el-dialog :title="title" :visible.sync="taskOpen" width="500px" append-to-body>
      <el-form ref="taskForm" :model="taskForm" label-width="80px">
        <el-form-item label="任务标题" prop="title">
          <el-input v-model="taskForm.title" placeholder="请输入任务标题"/>
        </el-form-item>

        <el-form-item label="任务内容" prop="title">
          <el-input
            type="textarea"
            :rows="2"
            placeholder="请输入内容"
            v-model="taskForm.content">
          </el-input>
        </el-form-item>


        <el-form-item label="截止时间" prop="state">
          <template>
            <div class="block">
              <!--              <span class="demonstration"></span>-->
              <el-date-picker
                v-model="taskForm.endTime"
                type="datetime"
                placeholder="选择日期时间">
              </el-date-picker>
            </div>
          </template>
        </el-form-item>
      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button type="primary" @click="submitTaskForm">确 定</el-button>
        <el-button @click="cancel">取 消</el-button>
      </div>
    </el-dialog>
  </div>
</template>

<script>
import {listTask, getTask, delTask, addTask, updateTask, takeTask} from "@/api/teacher/task.js";
import {listTeacher} from "@/api/teacher/mytask.js";
export default {
  name: "Task",
  data() {
    return {
      display: true,
      textarea: '',
      // 遮罩层
      loading: true,
      // 选中数组
      ids: [],
      // 非单个禁用
      single: true,
      // 非多个禁用
      multiple: true,
      // 显示搜索条件
      showSearch: true,
      // 总条数
      total: 0,
      // 领取任务 表格数据
      taskList: [],
      // 弹出层标题
      title: "",
      // 是否显示弹出层
      open: false,
      taskOpen: false,
      // 查询参数
      queryParams: {
        pageNum: 1,
        pageSize: 10,
        title: null,
        content: null,
        state: null,
        disposableTask: null,
        getCount: null
      },
      // 表单参数
      form: {},
      taskForm: {},
      // 表单校验
      rules: {},
      teachers: {}
    };
  },
  created() {
    this.getList();
    this.getTeacher();
  },
  methods: {
    getTeacher() {
      listTeacher(this.queryParams).then(response => {
        this.teachers = response.data;
      });
    },
    /** 查询领取任务 列表 */
    getList() {
      this.loading = true;
      listTask(this.queryParams).then(response => {
        this.taskList = response.rows;
        this.total = response.total;
        this.loading = false;
      });
    },
    // 取消按钮
    cancel() {
      this.open = false;
      this.taskOpen = false;
      this.reset();
    },
    // 表单重置
    reset() {
      this.form = {
        id: null,
        title: null,
        content: null,
        state: null,
        disposableTask: 0,
        getCount: null
      };
      this.taskForm = {
        id: null,
        title: null,
        content: null,
        teacherId: null,
        endTime: null,
        disposableTask: null,
        getCount: null
      };
      this.resetForm("form");
      this.resetForm("taskForm");
    },
    /** 搜索按钮操作 */
    handleQuery() {
      this.queryParams.pageNum = 1;
      this.getList();
    },
    /** 重置按钮操作 */
    resetQuery() {
      this.resetForm("queryForm");
      this.handleQuery();
    },
    // 多选框选中数据
    handleSelectionChange(selection) {
      this.ids = selection.map(item => item.id)
      this.single = selection.length !== 1
      this.multiple = !selection.length
    },
    /** 新增按钮操作 */
    handleAdd() {
      this.reset();
      this.open = true;
      this.title = "添加领取任务 ";
    },
    /** 修改按钮操作 */
    handleUpdate(row) {
      this.reset();
      const id = row.id || this.ids
      getTask(id).then(response => {
        this.form = response.data;
        this.open = true;
        this.title = "修改领取任务 ";
      });
    },
    /** 修改按钮操作 */
    handleGetTask(row) {
      this.reset();
      const id = row.id || this.ids
      getTask(id).then(response => {
        this.taskForm = response.data;
        this.taskOpen = true;
        this.title = "领取任务 ";
      });
    },
    /** 提交按钮 */
    submitForm() {
      this.$refs["form"].validate(valid => {
        if (valid) {
          if (this.form.id != null) {
            updateTask(this.form).then(response => {
              this.$modal.msgSuccess("修改成功");
              this.open = false;
              this.getList();
            });
          } else {
            addTask(this.form).then(response => {
              this.$modal.msgSuccess("新增成功");
              this.open = false;
              this.getList();
            });
          }
        }
      });
    }, /** 提交按钮 */
    submitTaskForm() {
      this.$refs["taskForm"].validate(valid => {
        if (valid) {
          takeTask(this.taskForm).then(response => {
            this.$modal.msgSuccess("领取成功");
            this.taskOpen = false;
            this.getList();
          });
        }
      });
    },
    /** 删除按钮操作 */
    handleDelete(row) {
      const ids = row.id || this.ids;
      this.$modal.confirm('是否确认删除领取任务 编号为"' + ids + '"的数据项？').then(function () {
        return delTask(ids);
      }).then(() => {
        this.getList();
        this.$modal.msgSuccess("删除成功");
      }).catch(() => {
      });
    },
    /** 导出按钮操作 */
    handleExport() {
      this.download('task/task/export', {
        ...this.queryParams
      }, `task_${new Date().getTime()}.xlsx`)
    }
  }
};
</script>
